Replacing the Primary Controller

If a Primary controller fails, notification is provided by:

• An event log message
• An error message that displays in the Switch controller field.

Figure�88:�Switch Fabric Status Web Page

If a redundant controller is installed in the switch and enabled, the switch resets and the redundant controller automatically takes over the operation of the failed Primary controller.

To replace the failed Primary controller:

1. Disable redundant hardware.
2. Copy the running configuration to the startup configuration.
3. Synchronize if you have redundant supervisor modules.
4. Power off the switch power supplies.

WARNING: To avoid bodily harm and equipment damage, you must power off the switch before you remove switch controllers or elements.

5. Replace the failed controller.
6. Power on the switch power supplies and login.
7. Enable the redundant hardware (see "Enabling Redundant Hardware" earlier in this chapter).
8. In the navigation pane, click Switch Fabric again (System > Configuration folders). The Switch Fabric Status Web page refreshes with the Switch Controller field displaying:

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